Z-Scheme Mechanism of Photosynthesis (image) University of Kentucky Share Print E-Mail Caption This is the Cu2O (right) that gets photocorrosion compared to Cu2O/TiO2 (left) that operates under a Z-scheme to reduce CO2. Credit Ruixin Zhou, UK doctoral student of chemistry. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.